ETC

X(72955) = X(2)X(99)∩X(30)X(37746) Barycentrics    (2*a^4-5*a^2*b^2-b^4-5*a^2*c^2+10*b^2*c^2-c^4)*(4*a^4-a^2*b^2+b^4-a^2*c^2-4*b^2*c^2+c...

  • EUCLID 4404
  • HOMOTHETIC TRIANGLES and EULER LINES
    Theorem 1. Let ABC be an equilateral triangle and P a point. The Euler lines of the triangles PBC,PCA,PAB are concurent.Denote the point ...
  • ANOPOLIS CIRCLE
    Let ABC be a triangle. Denote: (N1),(N2), (N3) = the NPCs of IBC, ICA, IAB, resp. (12), (13) = the reflections of (N1) in BI, CI, resp. ...